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A heart-shaped piece of pink drusy hangs from a gold chain.
Article
Dreamy Drusy: Minute Crystals Shimmer in Dramatic Designs

Drusy jewellery has surged in popularity in recent years. Celebrities wear it on the red carpet and designers clamour for it at gem shows.

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A young boy looks through a microscope.
Article
St Jude Children Tour Inside Gems’ Magical World

Young patients at St Jude Children’s Research Hospital recently explored the inner world of gems and minerals with a visiting team from GIA.

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Fancy-color diamonds from Lomonosov, Russia.
Geology and Development of the Lomonosov Deposit, North-Western Russia

Reviews diamond discoveries at the Lomonosov deposit, as well as the geology of the Arkhangelsk kimberlite province.

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Article
The Unexpected Origins of Big Diamonds

Dr Evan Smith, Ph.D., GIA research scientist, has dedicated his work to methodically characterising the inclusions found in rare diamonds. In this video presentation recorded at the 2017 JCK Las Vegas show, Smith shares his findings on the unexpected ori

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A round, bright red gem displayed on a dark gray background.
Article
The Red Hot Gems of Summer

These red, pink and orange hued gems evoke passion and excitement – and are surefire accessories for sultry summer days.

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Article
GIA Team Documents Oregon’s Sunstone Mines

In July 2013, GIA’s Shane McClure, Duncan Pay and Robert Weldon travelled with videographer Kevin Schumacher to the remote south-east corner of the US state of Oregon to visit three of the region’s sunstone mines.

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Evan Smith studies images of diamond inclusions on a computer.
Article
Postdoctoral Programme Gives Scientists Access to Rare Research Opportunities

GIA’s postdoctoral programme gives researchers access to gemmological data, equipment, and rare, unusual and large gems in its laboratories.

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Skyline of downton Ramat Gan
Article
GIA Education Attracts Diverse Students to Hub of Israeli Diamond Industry

In mid-November of 2016, GIA instructor Ric Taylor travelled to the Ramat Gan offices of the Israel Diamond Manufacturers Association Ltd to teach the Institute’s five-day Diamond Grading Lab class.

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Article
Searching for Sapphire in the Tasmanian Wilderness

GIA field gemmologists journeyed to a sapphire deposit near Weldborough in North Eastern Tasmania in 2012 and 2013 to gather samples for GIA’s reference collection.

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Article
Tucson 2015: Gemmologists Share the Latest Research Activities

Dr James Shigley and Dr Christopher M. Breeding presented an overview of GIA research activities at the 2015 AGTA GemFair in Tucson, Arizona.

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